Practice – Conduct of proceedings. The Administrative Court considered the disclosure principles applicable to the claimants' application for judicial review of the first defendant Secretary of State's decisions relating to their designation as individuals suspected of being associated with specified organisations and involved in terrorism. The claimants were not entitled to a core minimum of disclosure at common law because that would be to contradict the provisions of the Justice and Security Act 2013, as the common law, to the extent that it recognised an entitlement to a core minimum of disclosure in the present class of case, was not effectively preserved.